Home / 5,591.75-8,387.37-1,642.86

Finding the Fourth Proportional to 5,591.75, 8,387.37 and 1,642.86

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Solution

The fourth proportional to 5,591.75, 8,387.37 and 1,642.86 is: 2,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.75 : 8,387.37 = 1,642.86 : x
  2. Step 2: Convert to fraction form
    5,591.75/8,387.37 = 1,642.86/x
  3. Step 3: Cross multiply
    5,591.75x = 8,387.37 × 1,642.86
  4. Step 4: Simplify right side
    5,591.75x = 13,779,274.68
  5. Step 5: Solve for x
    x = 13,779,274.68/5,591.75
  6. Step 6: Final answer
    x = 2,464.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.